.banner-anim {
    position: relative;
    overflow: hidden;
    min-height: 10rem;
  }
  .banner-anim-elem {
    height: 100%;
  }
  .banner-anim-elem > * {
    position: relative;
  }
  .banner-anim-elem-mask {
    position: relative;
    overflow: hidden;
    width: 100%;
  }
  .banner-anim-arrow {
    cursor: pointer;
    position: absolute;
    z-index: 10;
  }
  .banner-anim-arrow-default {
    position: absolute;
    width: 20px;
    height: 60px;
    margin-top: -30px;
    background: rgba(0, 0, 0, 0.3);
  }
  .banner-anim-arrow-default.next {
    right: 0;
  }
  .banner-anim-arrow-default.next:before,
  .banner-anim-arrow-default.prev:before,
  .banner-anim-arrow-default.next:after,
  .banner-anim-arrow-default.prev:after {
    width: 2px;
    height: 15px;
    background: #fff;
    display: block;
    content: ' ';
    position: absolute;
  }
  .banner-anim-arrow-default.next:before {
    -webkit-transform: rotate(-40deg);
            transform: rotate(-40deg);
    top: 18px;
    left: 10px;
  }
  .banner-anim-arrow-default.next:after {
    -webkit-transform: rotate(40deg);
            transform: rotate(40deg);
    bottom: 17px;
    left: 10px;
  }
  .banner-anim-arrow-default.prev:before {
    -webkit-transform: rotate(40deg);
            transform: rotate(40deg);
    top: 18px;
    left: 8px;
  }
  .banner-anim-arrow-default.prev:after {
    -webkit-transform: rotate(-40deg);
            transform: rotate(-40deg);
    bottom: 17px;
    left: 8px;
  }
  .banner-anim-thumb {
    position: absolute;
    bottom: 0;
    margin: 0;
    padding: 0;
    width: 100%;
    text-align: center;
    pointer-events: none;
    z-index: 10;
  }
  .banner-anim-thumb > span {
    pointer-events: auto;
    cursor: pointer;
    display: inline-block;
    list-style: none;
  }
  .banner-anim-thumb-default {
    height: 40px;
    line-height: 40px;
  }
  .banner-anim-thumb-default span {
    width: 8px;
    height: 8px;
    border-radius: 8px;
    margin: 0 5px;
    background: rgba(102, 102, 102, 0.35);
    transition: background .3s;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.25);
  }
  .banner-anim-thumb-default span:active,
  .banner-anim-thumb-default span.active {
    background: #fff;
  }
  